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Nuclear magnetic resonance (NMR) tomographic imaging for popliteal cysts in rheumatoid arthritis.

机译:类风湿关节炎pop囊的核磁共振(NMR)断层成像。

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摘要

The ability of nuclear magnetic resonance (NMR) tomographic imaging to show a change in proton spin-lattice relaxation time (T1 value) in the joints of patients with rheumatoid arthritis before and after treatment with intra-articular steroid has been assessed. Six patients with seropositive rheumatoid arthritis and clinical evidence of a popliteal cyst were examined by both NMR tomography and arthrography. In all cases the presence of active rheumatoid arthritis was shown by an increase in the T1 values of the synovium of the joints. After arthrography a consistent but small rise in T1 value was noted which fell to below the initial reading after treatment by intra-articular injection of an anti-inflammatory agent. In all cases the presence of the popliteal cyst was clearly shown by both NMR tomography and arthrography. The findings indicate that NMR tomography provides a sensitive method for the demonstration of inflammatory joint disease, popliteal cysts, and possibly for monitoring response to therapy.
机译:评估了类风湿关节炎患者关节内类固醇治疗前后,核磁共振(NMR)断层成像显示质子自旋晶格弛豫时间(T1值)变化的能力。通过NMR断层扫描和关节造影检查了6例血清反应阳性的类风湿性关节炎患者和a神经囊肿的临床证据。在所有情况下,关节滑膜的T1值升高都表明存在活动性类风湿关节炎。关节造影后,观察到T1值持续但小幅上升,在关节内注射抗炎剂治疗后降至初始读数以下。在所有情况下,NMR层析成像和关节造影均清楚地显示了lite窝囊肿的存在。研究结果表明,NMR断层扫描提供了一种敏感的方法,可用于证明炎症性关节疾病,pop窝囊肿,并可能用于监测对治疗的反应。

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